Home / 21,227.34-29,292.66-11,795.70

Finding the Fourth Proportional to 21,227.34, 29,292.66 and 11,795.70

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Solution

The fourth proportional to 21,227.34, 29,292.66 and 11,795.70 is: 16,277.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,227.34 : 29,292.66 = 11,795.70 : x
  2. Step 2: Convert to fraction form
    21,227.34/29,292.66 = 11,795.70/x
  3. Step 3: Cross multiply
    21,227.34x = 29,292.66 × 11,795.70
  4. Step 4: Simplify right side
    21,227.34x = 345,527,429.56
  5. Step 5: Solve for x
    x = 345,527,429.56/21,227.34
  6. Step 6: Final answer
    x = 16,277.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.